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1. To happen or materialize. This great job offer came about very quickly—I only interviewed for it a few days ago! I didn't realize that you were dating John. How did that come about?
2. To change the direction in which a ship is traveling. We need to come about because it seems we've gone off-course.
1. to happen. How did this damage come about? This came about due to the windstorm.
2. [for a ship or boat] to turn. Look how easily this boat comes about. Now, practice making the boat come about.
1. Also, come to pass. Happen, take place, as in How did this quarrel come about? or When did this new development come to pass? Shakespeare used the first term, first recorded in 1315, in Hamlet (5:2): "How these things came about." The variant, dating from the late 1400s, appears often in the Bible, as in, "And it came to pass ... that there went out a decree from Caesar Augustus" (Luke 2:1).
2. Also, go about. In sailing, to change tack (direction), as in It's important to duck under the boom when we come about. [Mid-1500s]
1. To happen; come to pass: It came about that John and Mary got married and had three children.
2. To change tack. Used of sailing vessels: We were about to come about when the wind suddenly died down.